CVE-2025-37776

ksmbd: fix use-after-free in smb_break_all_levII_oplock()

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb_break_all_levII_oplock() There is a room in smb_break_all_levII_oplock that can cause racy issues when unlocking in the middle of the loop. This patch use read lock to protect whole loop.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/296cb5457cc6f4a754c4ae29855f8a253d52bcc6
https://git.kernel.org/stable/c/d54ab1520d43e95f9b2e22d7a05fc9614192e5a5
https://git.kernel.org/stable/c/d73686367ad68534257cd88a36ca3c52cb8b81d8
https://git.kernel.org/stable/c/18b4fac5ef17f77fed9417d22210ceafd6525fc7

Frequently Asked Questions

What is the severity of CVE-2025-37776?: CVE-2025-37776 has not yet been assigned a CVSS score.
How to fix CVE-2025-37776?: To fix CVE-2025-37776, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37776 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37776 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37776?: CVE-2025-37776 affects Linux Linux, Linux Linux.

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